Cybersecurity

Crowdsec IPS Career Development IT

crowdsec ips career development it
Crowdsec IPS Career Development IT | SiamCafe Blog
2025-09-02· อ. บอม — SiamCafe.net· 9,393 คำ

CrowdSec IPS + Security Career

CrowdSec IPS Intrusion Prevention Crowd Intelligence Bouncer Scenarios SOC Analyst Security Engineer Career Cybersecurity

ComponentFunctionExampleConfig
Agentอ่าน Log วิเคราะห์ Attackcrowdsec service/etc/crowdsec/
Bouncerบล็อก IP ที่เป็นอันตรายcs-firewall-bouncer/etc/crowdsec/bouncers/
Scenariosกฎตรวจจับ Attack Patternssh-bf, http-crawl/etc/crowdsec/scenarios/
ParsersParse Log Formatnginx-logs, sshd-logs/etc/crowdsec/parsers/
ConsoleDashboard Alert Statisticsapp.crowdsec.netcscli console enroll
HubRepository Scenarios Parsershub.crowdsec.netcscli hub update

Installation & Setup

# === CrowdSec Installation ===

# Install CrowdSec Agent (Debian/Ubuntu)
# curl -s https://packagecloud.io/install/repositories/crowdsec/crowdsec/script.deb.sh | sudo bash
# sudo apt install crowdsec
#
# Install Firewall Bouncer
# sudo apt install crowdsec-firewall-bouncer-iptables
#
# Or Nginx Bouncer
# sudo apt install crowdsec-nginx-bouncer
#
# Add data sources
# sudo vi /etc/crowdsec/acquis.yaml
# ---
# filenames:
#   - /var/log/nginx/access.log
#   - /var/log/nginx/error.log
# labels:
#   type: nginx
# ---
# filenames:
#   - /var/log/auth.log
# labels:
#   type: syslog
#
# Install scenarios from Hub
# sudo cscli scenarios install crowdsecurity/ssh-bf
# sudo cscli scenarios install crowdsecurity/http-crawl-non_statics
# sudo cscli scenarios install crowdsecurity/http-bad-user-agent
# sudo cscli scenarios install crowdsecurity/http-path-traversal-probing
#
# Restart
# sudo systemctl restart crowdsec
#
# Check status
# sudo cscli metrics
# sudo cscli decisions list
# sudo cscli alerts list

from dataclasses import dataclass

@dataclass
class SetupStep:
    step: int
    action: str
    command: str
    verify: str
    note: str

steps = [
    SetupStep(1, "Install Agent",
        "apt install crowdsec",
        "systemctl status crowdsec",
        "Agent อ่าน Log วิเคราะห์ Attack"),
    SetupStep(2, "Install Bouncer",
        "apt install crowdsec-firewall-bouncer-iptables",
        "cscli bouncers list",
        "Bouncer บล็อก IP ผ่าน iptables"),
    SetupStep(3, "Configure Data Sources",
        "vi /etc/crowdsec/acquis.yaml",
        "cscli metrics | grep acquired",
        "ชี้ไปที่ Log File ที่ต้องการ Monitor"),
    SetupStep(4, "Install Scenarios",
        "cscli scenarios install crowdsecurity/ssh-bf",
        "cscli scenarios list",
        "ติดตั้ง Scenarios จาก Hub ตามที่ต้องการ"),
    SetupStep(5, "Enroll Console",
        "cscli console enroll YOUR_KEY",
        "ดู app.crowdsec.net",
        "ดู Dashboard Alert Statistics Online"),
    SetupStep(6, "Setup Notification",
        "vi /etc/crowdsec/notifications/slack.yaml",
        "cscli notifications list",
        "ส่ง Alert ไป Slack Email Telegram"),
]

print("=== Setup Steps ===")
for s in steps:
    print(f"  Step {s.step}: {s.action}")
    print(f"    Command: {s.command}")
    print(f"    Verify: {s.verify}")
    print(f"    Note: {s.note}")

Security Career Path

# === Career Path ===

@dataclass
class CareerLevel:
    level: str
    role: str
    experience: str
    salary: str
    skills: str
    certifications: str

careers = [
    CareerLevel("Entry",
        "SOC Analyst L1 / IT Security Associate",
        "0-2 ปี", "30,000-50,000 บาท",
        "SIEM Alert Triage, Firewall Rules, IPS/IDS, Log Analysis",
        "CompTIA Security+, CrowdSec Certified, CEH"),
    CareerLevel("Mid",
        "SOC Analyst L2 / Security Engineer",
        "2-5 ปี", "50,000-100,000 บาท",
        "Incident Response, Threat Hunting, SIEM Advanced, IPS Config",
        "CEH, CySA+, GCIH, OSCP (เริ่มเรียน)"),
    CareerLevel("Senior",
        "Senior Security Engineer / Penetration Tester",
        "5-8 ปี", "80,000-150,000 บาท",
        "Architecture Review, Red Team, Automation, DevSecOps",
        "OSCP, GPEN, CISSP (เริ่มเรียน)"),
    CareerLevel("Lead",
        "Security Architect / Security Manager",
        "8-12 ปี", "120,000-200,000 บาท",
        "Security Architecture, Risk Management, Team Lead, Strategy",
        "CISSP, CISM, TOGAF Security"),
    CareerLevel("Executive",
        "CISO / VP of Security",
        "12+ ปี", "200,000-400,000+ บาท",
        "Business Strategy, Risk Governance, Board Communication",
        "CISSP, CISM, MBA (optional)"),
]

print("=== Security Career Path ===")
for c in careers:
    print(f"  [{c.level}] {c.role} ({c.experience})")
    print(f"    Salary: {c.salary}")
    print(f"    Skills: {c.skills}")
    print(f"    Certs: {c.certifications}")

Monitoring & Alert

# === Monitoring Setup ===

# CrowdSec Metrics
# sudo cscli metrics
# sudo cscli decisions list
# sudo cscli alerts list --since 24h
#
# Prometheus metrics endpoint
# /etc/crowdsec/config.yaml
# prometheus:
#   enabled: true
#   level: full
#   listen_addr: 127.0.0.1
#   listen_port: 6060
#
# Grafana Dashboard for CrowdSec
# Import dashboard ID: 14541

@dataclass
class MonitorMetric:
    metric: str
    command: str
    threshold: str
    action: str

metrics = [
    MonitorMetric("Blocked IPs (Decisions)",
        "cscli decisions list | wc -l",
        "ดู Trend ไม่ควรเพิ่มขึ้นผิดปกติ",
        "ถ้าเพิ่มมาก ตรวจว่าถูกโจมตีหรือ False Positive"),
    MonitorMetric("Alerts per Hour",
        "cscli alerts list --since 1h",
        "> 100 alerts/hr = ผิดปกติ",
        "ตรวจ Source IP Pattern ว่าเป็น Attack จริง"),
    MonitorMetric("Parser Errors",
        "cscli metrics | grep unparsed",
        "0 unparsed lines",
        "ถ้ามี Unparsed ตรวจ Parser Config ให้ถูกต้อง"),
    MonitorMetric("Bouncer Status",
        "cscli bouncers list",
        "ทุก Bouncer ต้อง Active",
        "Restart Bouncer ถ้า Inactive"),
    MonitorMetric("Community Blocklist",
        "cscli console status",
        "Connected + Syncing",
        "ตรวจ Network ถ้า Disconnected"),
]

print("=== Monitoring ===")
for m in metrics:
    print(f"  [{m.metric}] Command: {m.command}")
    print(f"    Threshold: {m.threshold}")
    print(f"    Action: {m.action}")

เคล็ดลับ

CrowdSec คืออะไร

Open Source IPS Crowd Intelligence Log Analysis Brute Force DDoS Bouncer Block IP Scenarios Community Blacklist Console Dashboard Free

ติดตั้งอย่างไร

apt install crowdsec Firewall Bouncer acquis.yaml Data Source Scenarios Hub cscli Console Enroll Notification Slack Email Telegram

Scenarios คืออะไร

YAML Attack Pattern SSH Brute Force HTTP Bad User Agent Path Traversal Hub สำเร็จรูป สร้างเอง Expr Language Filter Threshold Duration Simulation

เส้นทางอาชีพ Security มีอะไร

SOC Analyst L1 L2 Security Engineer Penetration Tester OSCP Security Architect CISSP CISO CompTIA Security+ CEH เงินเดือน 30000-400000+

สรุป

CrowdSec IPS Crowd Intelligence Bouncer Scenarios Console Security Career SOC Analyst Engineer Penetration Tester OSCP CISSP Production

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